1. AgResearch Ltd., Grasslands Research Centre, Palmerston North, New Zealand
2. AgResearch Ltd., Hopkirk Research Institute, Palmerston North, New Zealand
3. Institute of Agricultural Sciences, ETH Zurich (Eidgenössische Technische Hochschule Zürich), Zurich, Switzerland
4. Animal Health Laboratory, Biosecurity New Zealand, Ministry for Primary Industries, Wallaceville, New Zealand
5. Kantonale Veterinäramt Zürich (Zürich Cantonal Veterinary Office), Zürich, Switzerland